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Finding the Fourth Proportional to 364,655.20, 546,745.20 and 327,330.40

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Solution

The fourth proportional to 364,655.20, 546,745.20 and 327,330.40 is: 490,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,655.20 : 546,745.20 = 327,330.40 : x
  2. Step 2: Convert to fraction form
    364,655.20/546,745.20 = 327,330.40/x
  3. Step 3: Cross multiply
    364,655.20x = 546,745.20 × 327,330.40
  4. Step 4: Simplify right side
    364,655.20x = 178,966,325,014.08
  5. Step 5: Solve for x
    x = 178,966,325,014.08/364,655.20
  6. Step 6: Final answer
    x = 490,782.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.